Racal Instruments AN/TRC-207 Operation And Maintenance Instructions Download Page 11 | Manualshive

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TO 31R2-2TRC207-1

ix

FOREWORD

This manual meets the technical content requirements of specification MIL-M-38798B, paragraph 3.3 (1 December 1975)
and MIL-M-38807A (1 June 1982) and format requirements of specification MIL-M-38784B (16 April 1983) for the bi-
directional repeater.

a.

Chapter 1 - General Information. This chapter provides general information for the bi-directional repeater
including equipment description and purpose, leading particulars, capabilities and limitations, equipment
supplied, equipment required but not supplied, optional equipment, special tools and test equipment, and
related technical manuals.

b.

Chapter 2 - Installation. This chapter provides complete installation instructions for the receiver-transmitter
including installation logistics and installation procedure.

c.

Chapter 3 - Preparation for Use and Reshipment. This chapter contains information which will permit
operation and maintenance personnel to prepare the equipment for use, including reference to post-
installation checkout procedures, preparing the unit for reshipment, packing, handling, and storage
procedures.

d.

Chapter 4 - Operation. This chapter provides complete operating instructions for the bi-directional repeater.

e.

Chapter 5 - Theory of Operation. This chapter provides complete theory of operation for the bi-directional
repeater.

f.

Chapter 6 - Maintenance. This chapter provides all instructions required for on-equipment and off-
equipment maintenance of the bi-directional repeater. It includes preventive maintenance, troubleshooting
procedures, and repair procedures.

g.

Chapter 7 - Illustrated Parts Breakdown (IPB). The IPB provides complete illustrated parts breakdown for
the bi-directional repeater. The IPB is prepared in accordance with MIL-M-38807A.

h.

Chapter 8 - Circuit Diagrams. This chapter contains the BDR interconnection diagram.

i.

Glossary - The glossary provides a definition of the special terms and abbreviations used in the technical
order.

j.

Alphabetical Index - The index provides cross-references to applicable paragraphs, figures or tables.

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Summary of Contents for AN/TRC-207

Page 1: ...ed to Sacramento ALC TILBE 3200 Peacekeeper Way Suite 1 McClellan AFB CA 95652 1026 WARNING This document contains technical data whose export is restricted by the Arms Export Control Act Title 22 U S C Sec 2751 et seq or the Export Administration Act of 1979 as amended Title 50 U S C App 2401 et seq Violations of these export laws are subject to severe criminal penalties HANDLING AND DESTRUCTION ...

Page 2: ...number DATES OF ISSUE FOR ORIGINAL AND CHANGED PAGES ARE ORIGINAL 0 15 JULY 1997 TOTAL NUMBER OF PAGES IN THIS PUBLICATION IS 110 CONSISTING OF THE FOLLOWING Page Change No No Page Change No No Page Change No No Title page 0 A 0 i ix 0 1 0 1 8 0 2 1 2 9 0 2 10 blank 0 3 1 3 4 0 4 1 4 14 0 5 1 5 6 0 6 1 6 13 0 6 14 blank 0 7 1 7 24 0 8 1 0 8 2 blank 0 8 3 0 8 4 blank 0 GLOSSARY 1 0 GLOSSARY 2 blank...

Page 3: ...NSTALLATION PROCEDURES 2 5 2 9 SPECIAL TOOLS AND EQUIPMENT REQUIRED FOR FIELD INSTALLATION 2 5 2 10 INSTALLATION SEQUENCE 2 5 2 10 1 Antenna Mast Installation 2 5 2 10 2 Lithium Battery Installation 2 9 2 10 3 Ground Rod Installation 2 9 2 10 4 External Power Supply 2 9 2 10 5 Diplexer Installation 2 9 2 10 6 Receiver Transmitter Transceiver Module Installation 2 9 CHAPTER 3 PREPARATION FOR USE AN...

Page 4: ...d Assembly CCA A1A1 5 1 5 2 2 Repeater Control Audio Circuit Card Assembly CCA A1A2 5 1 5 2 3 Repeater Interface CCA A1A3 5 1 5 2 4 Parent Board Circuit Card Assembly CCA A1A4 5 1 5 2 5 Control Panel A1A5 5 1 5 2 6 RF Power Amplifier Assembly A1A6 5 1 5 2 7 RF Matrix CCA A1A7 5 2 5 2 8 Receiver Transmitters 5 2 5 2 9 Antenna System 5 3 5 2 10 Diplexer A3 5 3 5 2 11 AC DC Power Supply A2 5 3 SECTIO...

Page 5: ...1 GENERAL 7 1 7 2 MAINTENANCE PARTS LIST 7 1 7 3 NUMERICAL INDEX 7 2 7 4 REFERENCE DESIGNATION INDEX 7 3 7 5 ELECTROSTATIC DISCHARGE ESD SENSITIVE DEVICES 7 3 7 6 CAGE CODE SUMMARY 7 4 SECTION II MAINTENANCE PARTS LIST 7 8 CHAPTER 8 CIRCUIT DIAGRAMS 8 1 8 1 SCOPE 8 1 GLOSSARY ALPHABETICAL INDEX ...

Page 6: ... Location of Power Supply Switches Power Supply Top View 4 3 Figure 4 3 Location of Power Supply Connectors Power Supply Side View 4 4 Figure 4 4 Location of Bi Directional Repeater Unit Connectors 4 5 Figure 4 5 Location of Bi directional Repeater Diplexer Controls 4 6 Figure 4 6 Standard BDR Cabling Set up 4 10 Figure 4 7 BDR Cross Banding Cabling Set up 4 10 Figure 5 1 Bi directional Repeater S...

Page 7: ...Table 4 6 TR Simplex Mode Recommended Frequencies 4 8 Table 4 7 TR Half Duplex Mode Recommended Frequencies 4 8 Table 4 8 Single BDR Recommended Frequencies 4 8 Table 4 9 Tandemed BDR Recommended Frequencies 4 9 Table 5 1 Antenna System Frequency Band Vs Gain 5 3 Table 6 1 Initial Switch and Control Settings for Power Up Verification 6 1 Table 6 2 Initial Switch and Control Settings for Radio A Tu...

Page 8: ...e touching it RESUSCITATION Personnel working with or near high voltages should be familiar with modern methods of resuscitation Such information may be obtained from the Director of Base Medical Services Lithium oxide batteries or cells may be used in the battery enclosure and receiver transmitters used in this equipment They are potentially hazardous if misused or tampered with before during or ...

Page 9: ...ackage all electrostatic discharge ESD sensitive assemblies in ESD bags before shipping or storing 3 3 CAUTION Rough handling may cause unnecessary damage to electronic assemblies 3 3 CAUTION Electronic assemblies containing solid state devices are susceptible to damage from static electrical discharges Wear protective clothing and grounded wrist straps 3 3 CAUTION Forcing any tilted or cocked ele...

Page 10: ...TO 31R2 2TRC207 1 viii This page left blank intentionally ...

Page 11: ...sonnel to prepare the equipment for use including reference to post installation checkout procedures preparing the unit for reshipment packing handling and storage procedures d Chapter 4 Operation This chapter provides complete operating instructions for the bi directional repeater e Chapter 5 Theory of Operation This chapter provides complete theory of operation for the bi directional repeater f ...

Page 12: ...und W6 11 Strap Assembly Ground W7 12 Antenna 403 470 MHz 13 Antenna Mast TR 14 Antenna 136 174 MHz 15 Antenna 30 88 MHz 16 Receiver Transmitter RT 1695 TRC 199 Unit A4 A5 16a Additional transceiver modules p o Receiver Transmitter RT 1695 TRC 199 17 Diplexer Assembly 136 174 MHz A3 18 Case Transit Diplexer 19 Diplexer Assembly 403 470 MHz A3 20 Rod Assembly Ground 21 Cable Coaxial Antenna W10 22 ...

Page 13: ...TO 31R2 2TRC207 1 1 1 Figure 1 1 Radio Set AN TRC 207 Sheet 2 of 3 ...

Page 14: ...TO 31R2 2TRC207 1 1 2 Figure 1 1 Radio Set AN TRC 207 Sheet 3 of 3 12 13 14 15 13 13 21 21 21 19 16a 16 17 18 26 25 20 21 22 23 24 ...

Page 15: ...The receiver transmitters plug into sleeves A8 A9 located on the left and right sides of the front panel of the BDR unit The power amplifier A6 is mounted under a heatsink on top of the BDR unit 1 1 2 2 Receiver Transmitters See Figure 1 2 The receiver transmitters provide transmit receive communication in the 30 88 136 174 or 403 470 MHz frequency bands The operating band of the receiver transmit...

Page 16: ...operly tuned provides a transmitter to receiver isolation of 70 decibels dB at any frequency spacing of 4 MHz or 3 of the operating frequency whichever is greater There are three separate diplexers one for each frequency band The frequency band of the diplexer must correspond to that of the receiver transmitter and antenna Legend for Figure 1 3 136 174 MHz and 403 470 MHz diplexers have the same c...

Page 17: ...nclosure The battery enclosure is a weather resistant container that can hold up to four of either Type BA 5590 U Lithium batteries or Type BB 590 U NiCd batteries The battery connectors are mounted in the bottom of the battery enclosure box For battery installation see paragraph 2 10 2 1 2 LEADING PARTICULARS Leading particulars for the BDR are given in Table 1 2 Table 1 2 Leading Particulars Cha...

Page 18: ...atible 12 kbps secure voice VINSON KY 57 compatible 16 kbps secure voice Analog 12 5 and 25 kHz frequency modulated FM radios Receiving Transmitting 25 kilohertz kHz Bandwidth on all frequency bands 12 5 kHz Bandwidth on 136 174 MHz and 403 470 MHz bands 12 5 kHz tuning steps Channels receive and transmit 14 channels each programmable with frequency bandwidth output power and squelch tones as vari...

Page 19: ...xial RF Strap Assembly Ground Strap Assembly Ground Strap Assembly Ground Cable Assembly Power Supply 120 VAC Input Cable Assembly Power Supply 240 VAC Input Cable Assembly Power Supply DC Cable Assembly Coaxial Antenna Bumpers Tactical repeater Frame Bushing Shock Mount Clamp Rear Clamp Front Frame Weldment Case Transit Diplexer Case Transit Diplexer Cover Frame 4101027 501 4101028 501 SS 1600322...

Page 20: ...NICAL MANUALS Table 1 6 lists related technical manuals Table 1 6 Related Technical Manuals Publication Number Publication Title 31R2 2PRC139 1 Operation and Maintenance Instructions with Illustrated Parts Breakdown Organizational Level for Radio Set AN PRC 139 C includes RT 1695 TRC 199 RT 1696 U C Programmer Unit Frequency Radio MX 11531 U Battery Chargers and Battery Reconditioner 31R2 2GRC238 ...

Page 21: ...st two antenna lengths e g 44 feet for 30 88 MHz from power lines and other antennas etc 2 3 UNPACKING AND INSPECTIONS Exercise care when removing units from packing material in order to prevent damage to the unit Removing the BDR assembly from the shipping carton requires a minimum of two persons To unpack the BDR remove the unit and any equipment from the carton and store the packing and carton ...

Page 22: ...207 1 2 2 Legend for Figure 2 1 1 Operating instructions 5 Barrier bag 2 Polystyrene top 6 Polystyrene bottom 3 BDR assembly 7 Fiberboard box 4 Desiccant bag 8 Packing slip Figure 2 1 Packaging Diagram for the BDR ...

Page 23: ...dures 2 4 HOUSING If necessary to store the BDR for any period of time before installation proceed as follows a Clean the BDR before placing in storage if necessary Refer to paragraph 6 3 3 2 b Disconnect antennas and accessories before placing the BDR in storage c Remove receiver transmitters from the BDR assembly before placing in storage d Remove batteries NOTE The temperature of the storage ar...

Page 24: ...onnects diplexer antenna ANT output to RF IN of power supply W5 SS 3500279 502 Strap Assembly Ground Connects bi directional repeater assembly to external ground W6 SS 3500279 503 Strap Assembly Ground Connects diplexer to external ground W7 SS 3500279 504 Strap Assembly Ground Connects power supply to external ground W9 SS 4500107 501 Cable Assembly Power Supply 120 VAC Input Connects BDR to 120 ...

Page 25: ...ith the appropriate receiver transmitters and diplexer If using a different configuration substitute the appropriate antenna receiver transmitters and diplexer Refer to Chapter 6 for antenna and diplexer removal and replacement Refer to TO 31R2 2PRC139 1 for changing receiver transmitter configuration NOTE The assembled antenna base section antenna adapter will fit in the mast transit bag 3 so tha...

Page 26: ...the adapter is fully seated on the mast section Connect the top coaxial cable connector to the antenna and attach cable strain relief to hole in web of adapter Rest flat edge of adapter on ground to provide convenient access to guy rope attachment points Unwind cable along length of mast and secure to mast at centers of each section Secure using cable clamps Figure 2 4 Antenna Mast Antenna Install...

Page 27: ... on the antenna adapter Attach the running hook at the lower end to ground anchor 2 Note that the winder remains attached to the lower ends of the guy rope to prevent accidental loss j Take a second guy rope Attach the fixed upper snap hook to the antenna adapter attachment point Attach the running hook at the lower end to ground anchor 3 k Attach the upper snap hook of the third guy rope to the a...

Page 28: ... vertical Person A should progressively walk towards bottom of mast as it is raised and should hold mast steady as it reaches the vertical Person B attaches free guy ropes to ground anchor 1 and tightens all ropes m Connect the coaxial antenna cable SS 1600315 1 to the connector at the back of the power supply Refer to FO 1 Figure 2 7 Antenna Mast Antenna Installation Sheet 6 of 6 ...

Page 29: ...rew on the BDR assembly frame next to the power supply assembly See Figure 1 1 for illustration of grounding strap connection To install place the BDR in its selected operating location Locate the ground lug on the frame and select a spot for the ground rod within a 10 foot arc of the ground screw Drive the ground rod into the ground with a sledge hammer until the grounding strap clamp is level wi...

Page 30: ......

Page 31: ...n must have similar separations If the minimum frequency separation is not used the BDR will not operate properly See paragraph 4 3 for additional data NOTE For all modes of operation the receive and transmit frequencies on the channel in use on each radio must be the same simplex operation a Ensure that both receiver transmitters SS 4100807 512 have been programmed with the correct receive and tr...

Page 32: ...ATONES OFF or CTCSS tones since both are capable of receiving signals b Place the BDR MODE SELECT switch 6 Figure 4 1 in one of the RETRANS mode positions either BDR or TR operation c Place the BDR POWER switch 8 Figure 4 1 in the 2WATT or 10WATT position d Place the power supply AC DC POWER switch 1 Figure 4 2 in either AC or DC position depending on source of power If DC is selected the DC SEL s...

Page 33: ...nsmitters batteries and any other accessories have been removed from the bi directional repeater Package all electrostatic discharge ESD sensitive assemblies in ESD bags before shipping or storing For shipment to another facility or long term storage package the unit as shown in Figure 2 1 Regardless of the electronic assembly design fit all protruding parts with packing spacers wrap the complete ...

Page 34: ...he miniaturization of parts for electronic assembly construction the leads connectors and pins have been stiffened to make them more rugged As a result such parts are brittle and will break easily if bent too often or pulled on too hard When handling an assembly that has been removed from its chassis be careful not to press against the leads and pins When removing an assembly be sure to pull it st...

Page 35: ...re 4 1 and described in Table 4 1 4 2 2 Power Supply Switches and Connectors The bi directional repeater power switches and top connectors are located on the power supply assembly The power switches are illustrated in Figure 4 2 and described in Table 4 2 4 2 3 Connectors External side connectors for the power supply are illustrated in Figure 4 3 and described in Table 4 3 External connectors for ...

Page 36: ...A or B receiver transmitter is active 4 1 5 POWER LED green When illuminated indicates power is applied to the bi directional repeater 4 1 6 MODE SELECT Switch six position rotary switch Allows selection of the bi directional repeater operating mode as follows RETRANS Selects bi directional repeater BDR operation receive or transmit on either radio or single direction tactical repeater TR operatio...

Page 37: ...sition toggle switch Allows selecting either the internal battery power source or an external DC source when the AC DC POWER switch is in the DC position 4 2 2 AC DC POWER DC OFF AC switch three position toggle switch Allows the operator to turn the bi directional repeater on and off and select either an AC or DC power source 4 2 3 POWER OUTPUT Connector for power output cable to bi directional re...

Page 38: ...3 Description of Power Supply Connectors Fig Index Number Connectors Function 4 3 1 DC Power Circuit Breaker 15 Amp In line circuit breaker for DC power Input and output 4 3 2 AC Power Circuit Breaker 1 Amp In line circuit breaker for AC input power 4 3 3 External Power Input Connector External power supply input 4 3 4 Antenna Out Coaxial cable to antenna 4 3 5 RF In Coaxial cable to diplexer ...

Page 39: ...ors Function 4 4 1 Radio A RX Receive Connector J3 Input from diplexer receive connector to repeater 4 4 2 POWER Connector J1 Connects repeater to repeater power supply unit 4 4 3 GND Ground Stud Provides chassis ground point connects repeater unit to frame system ground 4 4 4 Radio B TX Transmit Connector J2 Input from diplexer transmit connector to repeater ...

Page 40: ...y Meter The RCV control adjusts the bandpass frequencies of the diplexer for the RX receiver transmitter HHR A Movement of the RCV tuning knob causes the RCV frequency meter movement The tuning knob has a locking ring to prevent inadvertent movement 4 5 4 XMT Transmit Control Tuning Knob and Frequency Meter The XMT control adjusts the bandpass frequencies of the diplexer for the TX receiver transm...

Page 41: ...frequencies 4 3 1 3 Tandemed Bi directional Repeater Two or three BDRs can be set up in series tandemed to provide two way communications over a greatly extended range see Table 4 9 When multiple repeaters are used user radios may operate on any of the frequencies used in the series that are within line of sight range For example users in between two BDRs are able to communicate to users at either...

Page 42: ...lex Mode Recommended Frequencies The Mode Select switch should be set to the uni directional RETRANS position MODE EQUIPMENT TRANSMIT FREQUENCY RECEIVE FREQUENCY Half Duplex Base Station F1 F2 Half Duplex BDR Radio A F1 F1 Half Duplex BDR Radio B F2 F2 Half Duplex HHR F1 F2 4 3 2 2 Standalone Bi Directional Repeater Table 4 8 Single BDR Recommended Frequencies The Mode Select switch should be set ...

Page 43: ...transmission turnaround time c When operating in the SECURE mode wait approximately 0 5 sec at the end of a message before replying 4 3 2 6 Cross Banding The BDR can be used with different frequency bands on Radios A and B e g Radio A in 136 174 MHz band and Radio B in 30 88 MHz band 4 3 2 6 1 Additional Equipment Requirements When using two frequency bands separate antennas antenna cables antenna...

Page 44: ...TO 31R2 2TRC207 1 4 10 Figure 4 6 Standard BDR Cabling Set up Figure 4 7 BDR Cross Banding Cabling Set up ...

Page 45: ... Figure 4 4 Ensure that the proper antenna and diplexer are installed Ensure that both receiver transmitters are programmed in a simplex configuration same receive and transmit frequencies for each channel being used It is recommended that CTCSS tones see TO 31R2 2PRC139 1 be used for repeater operations in the non secure mode particularly for tandemed BDRs All radios in the intended communication...

Page 46: ...TCSS tones q Place the DISPLAY switch 1 Figure 4 1 to the OFF position to conserve battery life r Cover the BDR with the frame cover for concealment and for some protection from the elements After the above procedures have been successfully completed the bi directional repeater is in an operational mode and can begin to relay radio traffic 4 5 RECEIVING AND RETRANSMITTING MESSAGES Whenever the bi ...

Page 47: ...ive battery terminal and the negative cable lug grounded to the vehicle frame 4 10 ELECTROMAGNETIC PULSE PROTECTION Electromagnetic Pulse EMP is a pulse of broad bandwidth high amplitude radio frequency electromagnetic energy produced by the radiation from a nuclear burst 4 10 1 EMP Susceptibility EMP can deliver a power density to a radio receiver a billion times greater than the power necessary ...

Page 48: ...ated great care must be exercised in performing decontamination before the equipment can be returned to use The power supply must be disconnected to prevent personnel injury and equipment damage The best way to decontaminate communications equipment is with hot air although metal surfaces exposed to blister agents and V agents may be decontaminated with DS2 DS2 is highly corrosive and must be used...

Page 49: ...nsmitters The DC DC converter operates from a 10 32 VDC input 5 2 2 Repeater Control Audio Circuit Card Assembly CCA A1A2 The repeater control audio CCA A1A2 combines the signal control and the audio interface between the two receiver transmitters and provides the audio output and microphone input The audio out function is active in both COMMS and RETRANS modes the microphone in MIC IN function is...

Page 50: ...equency bands The receiver transmitter used within the bi directional repeater RT 1695 TRC 199 differs from the standard receiver transmitter RT 1696 U C only in that the repeater version does not have encryption decryption capability The bi directional repeater is COMSEC transparent and does not need to decrypt encrypted traffic prior to relaying it back out over the transmit frequency Refer to T...

Page 51: ...l 10V to 32V DC d Internal battery power one to four self contained replaceable batteries can be used use of at least three is recommended type BA5590 U Lithium or BB590 nickel cadmium For battery operation use of the 2 WATT mode will greatly prolong battery life All external power sources are accessed through a common connector on the power supply assembly A unique cable is provided to accommodat...

Page 52: ... three available routes radio A radio B and local audio front panel audio connector The transmit circuits in the receiving radio are not active so only the transmit radio will generate an RF output The local audio signal makes it possible to monitor all unencrypted through traffic 5 4 15 WATT POWER AMPLIFIER ASSEMBLY A1A6 See Figure 5 3 As shown in Figure 5 3 the 15 watt power amplifier assembly A...

Page 53: ...TO 31R2 2TRC207 1 5 5 Figure 5 2 Repeater Control Audio CCA A1A2 Functional Block Diagram ...

Page 54: ...TO 31R2 2TRC207 1 5 6 Figure 5 3 15 Watt Power Amplifier Assembly A1A6 Functional Block Diagram ...

Page 55: ...ional repeater power up operation as follows a Ensure that the antenna has been installed as indicated in paragraph 2 10 1 Refer to the bi directional repeater interconnection diagram Figure 8 1 b Set the bi directional repeater switches and controls as indicated in Table 6 1 Table 6 1 Initial Switch and Control Settings for Power Up Verification Switch Control Position AC DC POWER switch 1 Figure...

Page 56: ... LED on Radio B receiver transmitter is not illuminated 6 2 4 Radio B Tune Mode Verification Verify functionality of transmit mode as follows NOTE Be aware that while performing the initial power up and diplexer tuning procedures the bi directional repeater will radiate RF energy which can cause frequency interference Do not perform this procedure before the frequency use authorization is effectiv...

Page 57: ...3 2 X Preventive maintenance Inspection see paragraph 6 3 3 1 X Cleaning see paragraph 6 3 3 2 X D Daily M Monthly W Weekly Q Quarterly 6 3 2 Inspection Many potential or existing faults can be detected by making a visual inspection of the equipment For this reason a visual inspection should be made on a routine basis or whenever the bi directional repeater is inoperative NOTE If any discrepancies...

Page 58: ...nal state All solutions which suggest replacement of an item assume that the item used to make the replacement is a known good item Table 6 5 contains the symptoms of possible system malfunctions which can be acted on by the operator Only those procedures contained within Table 6 5 are authorized to be performed by the operator Table 6 6 identifies additional possible system malfunctions that can ...

Page 59: ... path fault diplexer or BDR cabled incorrectly Verify proper cable connections to BDR and diplexer Diplexer tuned incorrectly Check diplexer tuning Fault LED is illuminated intermittently Frequency spacing less than minimum Check radio programming for receive and transmit frequencies DISPLAY knob turned to OFF or is loose Check position of DISPLAY knob a Repeater does not have any lamps illuminate...

Page 60: ...er diplexer and antenna are installed Failed diplexer Replace diplexer a Repeater receives but with degraded sensitivity and b Repeater transmits with correct power and modulation Failed bi directional repeater assembly Return the bi directional repeater assembly to the repair specialist for repair Improper diplexer adjustment Perform diplexer adjustment Mismatched diplexer Ensure same configurati...

Page 61: ...stalled Failed Radio A Replace Radio A Mismatched diplexer Ensure same configuration of receiver transmitter diplexer and antenna are installed Failed diplexer Replace diplexer Mismatched antenna Ensure same configuration of receiver transmitter diplexer and antenna are installed Failed antenna Replace antenna Failed antenna cable Replace antenna cable Repeater transmit characteristics are frequen...

Page 62: ...red at the repair specialist level Return the BDR assembly to depot for repair RF path fault diplexer or BDR cabled incorrectly Verify proper cable connections to BDR and diplexer Fault LED is illuminated intermittently Fault cannot be isolated repaired at the repair specialist level Return the BDR assembly to depot for repair Repeater constantly transmits without valid signal Fault cannot be isol...

Page 63: ... for repair Table 6 7 Cross Reference to Removal Replacement Procedures Items to be Removed Replaced Applicable Procedure Paragraph Number Antenna Antenna cable Control panel assembly A1A5 Diplexer Power cable Power supply Receiver transmitter Repeater control CCA A1A2 Bi directional repeater assembly 15 watt power amplifier assembly A1A6 6 5 1 2 6 5 1 1 6 5 2 2 6 5 1 7 6 5 1 4 6 5 1 5 6 5 1 3 6 5...

Page 64: ...smitter Removal Replacement Remove replace Radio A or Radio B as follows a Remove the receiver transmitter from the bi directional repeater by turning the locking knob on the front panel counterclockwise one quarter turn b Pull the receiver transmitter from the sleeve c Reinsert a known good receiver transmitter into the bi directional repeater 6 5 1 4 Power Cable Removal Replacement Remove replac...

Page 65: ...h the remaining cables j Reinstall the diplexer per paragraph 6 5 1 7 6 5 1 6 Bi directional Repeater Assembly Removal Replacement Remove replace the bi directional repeater assembly as follows a Disconnect the coaxial cables 30 31 Figure 7 1 the power cable 32 and the grounding strap 34 b Loosen the two machine screws holding the front clamp in place using a 2 Phillips head screwdriver and a 7 16...

Page 66: ... so could result in personal injury or equipment damage ELECTROSTATIC DISCHARGE The bi directional repeater contains components that are susceptible to damage by static electrical charges Disassembly of the bi directional repeater should only be done at a properly grounded work station 6 5 2 1 Repeater Control Circuit Card Assembly CCA A1A2 4101029 501 Removal Replacement Remove replace the repeat...

Page 67: ...ional repeater chassis 13 First unscrew the 20 captive screws 2 Figure 7 3 that hold the PA assembly to the chassis Grasp one of the heatsink fins and slightly raise the front end of the PA assembly f Use a 5 16 wrench to unscrew the cable connector on coaxial RF cable assembly W5 from connector J2 RF IN OUT on the PA assembly and pull the cable from the connection g Use a 5 16 wrench to unscrew t...

Page 68: ......

Page 69: ...ave detail parts indexed are not indexed unless the assembly is illustrated completely assembled on the same illustration or it is identified as an assembly by bracketing or circling of components When a group of parts bolt washer nut is used at a specific location for attachment purposes one index number assigned is sufficient The index number appears on the same line as the first part composing ...

Page 70: ...subsequent listings g Usable on Code Column This column shows the Usable On Codes for systems assemblies and parts indicating specific usability by part number Usable on code explanations are located at the bottom of the applicable page The codes A B C etc when shown within a group relate the part back to the same coded part within the next higher assembly When this column is left bank an assembly...

Page 71: ...atic diagrams and instruction books Opposite the reference designation is listed the figure index number as shown in the MPL 7 5 ELECTROSTATIC DISCHARGE ESD SENSITIVE DEVICES a This technical order contains parts and assemblies sensitive to damage by ESD T O 00 25 234 should be consulted for specific information on how damage can occur to electronic parts assemblies and equipment by ESD and the co...

Page 72: ...lex Seals Inc 23386 Racal Communications Inc 23657 Shakespeare Co 27264 Molex Inc 52437 Bretford MFG Inc 73734 Federal Screw Products Inc 74790 National Lightening Corp 76385 Minor Rubber Co Inc 79557 Vertex Computer Cable and Products 81349 Military Specifications 82820 Reif M M and Co Inc 85480 Brady W H Co 86928 Seastorm MFG Co Inc 96906 Military Standards ...

Page 73: ...TO 31R2 2TRC207 1 7 5 HOW TO USE THE ILLUSTRATED PARTS BREAKDOWN ...

Page 74: ...TO 31R2 2TRC207 1 7 6 HOW TO USE THE ILLUSTRATED PARTS BREAKDOWN ...

Page 75: ...TO 31R2 2TRC207 1 7 7 This Page Left Blank Intentionally ...

Page 76: ...TO 31R2 2TRC207 1 7 8 Section II MAINTENANCE PARTS LIST Figure 7 1 Radio Set AN TRC 207 Sheet 1 of 2 ...

Page 77: ...TO 31R2 2TRC207 1 7 9 Figure 7 1 Radio Set AN TRC 207 Sheet 2 of 2 ...

Page 78: ...w Machine 23386 77682 SPEC CTRL DRW 0002 PAOZZN 7 1 8 MS35338 139 96906 Washer Lock 23386 75006 SPEC CTRL DRW 0008 PAOZZN 7 1 9 MS15795 810 96906 Washer Flat 23386 75029 SPEC CTRL DRW 0014 PAOZZN 7 1 10 MS51957 84 96906 Screw Machine 23386 77682 SPEC CTRL DRW 0001 PAOZZN 7 1 11 W7 SS 3500279 504 23386 Strap Assy Ground 0001 MDF 7 1 12 W6 SS 3500279 503 23386 Strap Assy Ground 0001 MDF 7 1 13 MS356...

Page 79: ...1 28 9268 A257 16 06540 Spacer 23386 SS SP04 031 SPEC CTRL DRW 0008 PAOZZN 7 1 29 MS21919WDG4 96906 Cable Clamp 23386 SS 81284 SPEC CTRL DRW 0002 PAOZZN 7 1 30 W2 SS 3500292 504 23386 Cable Assy Coaxial 0001 XB 7 1 31 W3 SS 3500292 505 23386 Cable Assy RF Coaxial 0001 XB 7 1 32 W1 4500117 501 23386 Cable Assembly Power Supply 0001 PAOZZN 7 1 33 A3 SS 1600322 501 23386 Diplexer Assembly 30 88 MHz 0...

Page 80: ...Z19 Transit Bag 0001 PAOZZN 7 1 40 4265 RAC 23657 Antenna 136 174 MHz 23386 SS 1600230 2 SPEC CTRL DRW 0001 PAOZZN 7 1 41 4242 MK2 RAC 23657 Antenna 30 88 MHz 23386 SS 1600230 1 SPEC CTRL DRW 0001 PAOZZN 7 1 42 W10 CPRG223 U 30 XX 79557 Cable Coaxial Antenna 23386 SS 1600315 1 SPEC CTRL DRW 0001 PAOZZN 7 1 44 275 160 070 000 52473 Case Transit Diplexer 23386 SS 1600352 1 SPEC CTRL DRW 0001 PAOZZN ...

Page 81: ...TO 31R2 2TRC207 1 7 13 Figure 7 2 Bi Directional Repeater Assembly 4101027 501 Sheet 1 of 3 ...

Page 82: ...TO 31R2 2TRC207 1 7 14 Figure 7 2 Bi Directional Repeater Assembly 4101027 501 Sheet 2 of 3 ...

Page 83: ...TO 31R2 2TRC207 1 7 15 Figure 7 2 Bi Directional Repeater Assembly 4101027 501 Sheet 3 of 3 ...

Page 84: ...86928 Washer Flat 23386 75106 SPEC CTRL DRW 0001 PADZZN 7 2 8 MS15795 810 96906 Washer Flat 23386 75029 SPEC CTRL DRW 0001 PADZZN 7 2 9 MS35333 74 96906 Washer Int Tooth 23386 SS 75066 SPEC CTRL DRW 0001 PADZZN 7 2 10 71206 73734 Nut Wing 23386 SS 754007 SPEC CTRL DRW 0001 PADZZN 7 2 11 SS 4400226 1 23386 Gasket EMI 0001 PADZZN 7 2 12 W2 2500145 502 23386 Cable Coaxial Shield 0001 PADZZN 7 2 13 SS...

Page 85: ...DZZN 7 2 26 SS 3100531 502 23386 Bracket Assy Retaining 0001 XB 7 2 27 MS15795 806 96906 Washer Flat 23386 75025 SPEC CTRL DRW 0004 PADZZN 7 2 28 MS51957 28 96906 Screw Machine 23386 77628 SPEC CTRL DRW 0004 PADZZN 7 2 29 A4 SS 4100811 501 23386 CCA Parent Board ESD 0001 PADZZN 7 2 30 A1 SS 4100730 501 23386 CCA Converter 15V ESD 0001 PADZZN 7 2 31 SS 3100532 502 23386 Bracket Assy Retaining 0001 ...

Page 86: ...TO 31R2 2TRC207 1 7 18 This Page Left Blank Intentionally ...

Page 87: ...TO 31R2 2TRC207 1 7 19 Figure 7 3 Power Amplifier Assembly 15W SS 4100853 501 ...

Page 88: ...0 XB 7 3 4 1055 SS 40337 Spring Panel Screw 0020 XB 7 3 5 SS 4100836 501 23386 Cover Heatsink TR 0001 XB 7 3 6 SS 4100855 501 23386 Amplifier Assy 15W ESD refer to T O 31R2 4 1085 5 for breakdown 7 3 7 W9 2500147 501 23386 Cable Assy Coaxial 0001 PADZZN 7 3 8 F4NY 312BK 85480 Cable Clamp 23386 81254 SPEC CTRL DRW 0002 PADZZN 7 3 9 AN960 C4 88044 Washer Flat 23386 75023 SPEC CTRL DRW 0002 PADZZN 7 ...

Page 89: ...10 7 1 9 SL33641SH2 7 1 39c 4101029 501 7 2 33 A2 MS15795 842 7 1 17 SL33642 1 7 1 39l 4101030 501 7 2 4 A5 MS21318 20 7 1 4 SP10SS 7 1 39 4101032 501 7 2 4a MS21919WDG4 7 1 29 SS 1600322 501 7 1 33 A3 4101033 501 7 2 16 A7 MS21919WDG7 7 1 26 SS 1600322 502 7 1 33 A3 4101047 501 7 2 15 MS24693 C3 7 2 18 SS 1600322 503 7 1 33 A3 4101050 501 7 2 32 A3 MS3212 13 7 2 25 SS 2400577 1 7 1 27 4242 MK2 RA...

Page 90: ...957 79 7 1 7 SS 4100811 501 7 2 29 A4 SS 4500108 501 7 1 46 W9 SS 3400331 1 7 2 13 SS 4100823 502 7 2 3 A9 SS 4500109 501 7 1 48 W9 SS 3400353 1 7 1 19 SS 4100823 502 7 2 1 A8 SS 3400355 1 7 1 37 SS 4100836 501 7 3 5 SS 3400357 1 7 2 17 SS 4100853 501 7 2 5 A6 SS 3500279 502 7 1 34 W5 SS 4100853 501 7 3 SS 3500279 503 7 1 12 W6 SS 4100855 501 7 3 6 SS 3500279 504 7 1 11 W7 SS 4100878 501 7 2 23 SS...

Page 91: ... Number Radio Set AN TRC 207 7 1 REF A9 7 2 3 A1 7 1 1 W2 7 2 12 A2 7 1 21 W4 7 2 14 A3 7 1 33 W9 7 3 7 A3 7 1 33 A3 7 1 33 A4 A5 7 1 2 W1 7 1 32 W2 7 1 30 W3 7 1 23 W4 7 1 31 W5 7 1 34 W6 7 1 12 W7 7 1 11 W9 7 1 48 W9 7 1 46 W9 7 1 47 W10 7 1 42 Bi directional Repeater Assembly 4101027 501 7 2 REF A1 7 2 30 A2 7 2 33 A3 7 2 32 A4 7 2 29 A5 7 2 4 A6 7 2 5 A7 7 2 16 A8 7 2 1 ...

Page 92: ...TO 31R2 2TRC207 1 7 24 Section V COMMON BULK ITEMS LIST Part Number CAGE Code Description Unit of Measure No 222 50CC 05972 Threadlocking Compound No 222 23386 91172 A R ...

Page 93: ...TO 31R2 2TRC207 1 8 1 8 2 blank CHAPTER 8 CIRCUIT DIAGRAMS 8 1 SCOPE This chapter contains the following diagram Figure No Title 8 1 Radio Set AN TRC 207 Interconnection Diagram ...

Page 94: ...TO 31R2 2TRC207 1 8 2 ...

Page 95: ...TO 31R2 2TRC207 1 8 3 8 4 blank Figure 8 1 Radio Set AN TRC 207 Interconnection Diagram ...

Page 96: ......

Page 97: ...ect current DRW Drawing ESD Electrostatic discharge ESDS Electrostatic discharge sensitive EXT External F Fahrenheit FM Frequency modulation modulated GND Ground HF High frequency HZ Hertz IF Intermediate frequency in Inch INT Internal kbps Kilobits second kg Kilogram kHz Kilohertz Lbs Pounds LED Light emitting diode MHz Megahertz NiCad Nickel Cadmium PTT Push to talk RCV Receive RX Receiver SINAD...

Page 98: ......

Page 99: ...t Procedures P6 5 2 2 Controls and Indicators P4 2 Diplexer Controls T4 4 F4 4 Indicators Controls and Switches T4 1 F4 1 Power Switches T4 2 F4 2 Connectors T4 3 F4 3 Cross banding P4 3 2 6 D DC DC Converter CCA A7 Functional System Operation P5 2 6 Description Equipment Antenna Assembly P1 1 2 3 Diplexer P1 1 2 4 F1 3 Power Supply Assembly P1 1 2 5 Receiver Transmitters P1 1 2 2 F1 2 Bi directio...

Page 100: ...DC DC Converter CCA A1 P5 2 1 28V DC DC Converter CCA A7 P5 2 6 H Handling and Storage P3 6 Handling Material P2 6 I Installation Buildings and Other Support Structures P2 8 Cables P2 7 T2 2 Housing P2 4 Installation Sequence P2 10 Antenna Mast Installation P2 10 1 Diplexer Installation P2 10 5 External Power Supply P2 10 4 Ground Rod Installation P2 10 3 Lithium Battery Installation P2 10 2 Recei...

Page 101: ...ion P6 2 3 Transmit Tune Mode Verification P6 2 4 P Packing P3 5 Packaging Diagram F2 1 Parent Board CCA A4 Functional System Operation P5 2 3 Power Amplifier Assembly A6 Functional Operation of Electronic Circuits P5 4 Functional System Operation P5 2 5 Removal Replacement Procedures P6 5 2 3 Power Supply Assembly Description P1 1 2 5 Removal and Replacement Procedures P1 1 2 5 Preparation for Re...

Page 102: ...mplifier Assembly A6 P6 5 2 3 Repeater Control CCA A2 Functional Operation of Electronic Circuits P5 3 Functional System Operation P5 2 2 Removal Replacement Procedures P6 5 1 3 S Servicing P6 3 Inspection P6 3 2 Preventive Maintenance P6 3 3 Servicing Intervals P6 3 1 T6 4 Site Preparation P2 2 Support Equipment P1 6 T1 4 T Technical Manuals Related P1 7 T1 6 Tools Special and Test Equipment P1 6...

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